83449051666 has 16 divisors (see below), whose sum is σ = 126603243000. Its totient is φ = 41248142848.

The previous prime is 83449051657. The next prime is 83449051681. The reversal of 83449051666 is 66615094438.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 77216738641 + 6232313025 = 277879^2 + 78945^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001046 + ... + 1081198.

Almost surely, 2^83449051666 is an apocalyptic number.

83449051666 is a deficient number, since it is larger than the sum of its proper divisors (43154191334).

83449051666 is a wasteful number, since it uses less digits than its factorization.

83449051666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86093.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 83449051666 in words is "eighty-three billion, four hundred forty-nine million, fifty-one thousand, six hundred sixty-six".